diff --git a/requirements.txt b/requirements.txt
index 6bab34a..0ddeb66 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -23,7 +23,7 @@ MarkupSafe==1.0
 numpy==1.13.0
 olefile==0.44
 pandas==0.20.2
-Pillow==4.2.1
+Pillow==9.0.0
 post==0.0.0
 psutil==5.2.2
 psycopg2==2.6.1